hey guysim looking at buying a pitbike to chase the kids around on their bikes and take out for a play in the forest every now and again because my rm doesn't like going slow at all.im not sure which one to go for.i would like one with a 17 inch front and 14inch rear wheel so i can keep spare tubes/tyres that will fit the 85 aswell.but its not essentiali dont want to fork out heaps for a pile of crap.can anyone recommend a brand or seller?cheers